II. WHY THE ORIENTAL RELIGIONS SPREAD Difference in the Religions of the Orient and the Occident, 20.--Spread of Oriental Religions, 22.--Economic Influences, 23.--Theory of Degeneration, 25.--Conversions are of Individuals, 27.--Appeal of the Oriental Religions to the Senses, 28.--Appeal to the Intelligence, 31.--Appeal to the Conscience, 35.--Inadequacy of the Roman Religion, 35.--Skepticism, 37.--Imperial Power, 38.--The Purification of Souls, 39.--Hope of Immortality, 42,--Conclusion, 43.